Know in Minutes on Instagram: "The post shares a 62-second video compilation depicting explosive windshield cracks from pouring hot water on frozen surfaces, urging viewers to idle their car at 2500 RPM for 10 minutes as a safer defrost method.With 4.5 million views and 500 replies, it sparked debate; multiple sources identify similar clips as Al-generated for virality, exaggerating cracks unlikely in laminated glass. Laminated windshields rarely shatter from thermal shock alone per automotive s